EFFECT OF HEAVY METALS AND SURFACTANTS ON THE ADSORPTION OF PHENOLIC COMPOUNDS ON SEDIMENT

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GAO P.; FENG Y.J.; ZHANG Z.H.; LIU J.F.; REN N.Q.

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Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2012 | Volume:9 | Issue:4 Page(s): 671-682

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Title

EFFECT OF HEAVY METALS AND SURFACTANTS ON THE ADSORPTION OF PHENOLIC COMPOUNDS ON SEDIMENT

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Keywords

ENVIRONMENTAL FATE

FREUNDLICH ISOTHERM

PH VALUE

RIVER SEDIMENT

SORPTION

Abstract

The effects of different heavy metals (copper and mercury), cationic surfactants cetylpyridinium chloride, anionic surfactant sodium dodecyl benzene sulfonate and the chemistry of the solution (pH value) on the adsorption of three selected phenolic compounds (2, 4-Dichlorophenol, 2, 4-Dinitro-phenol and 2, 4-Dimethyphenol) on sediment were studied. Results indicated that in the sediment-water system with phenolic compounds: (1) all of the data could be simulated by Freundlich equation; (2) the experiments studying pH effects showed that the adsorption capacity of 2, 4-Dichlorophenol and 2, 4-Dimethyphenol were quite potentia Hydrogenii dependent and increased with decrease in potentia Hydrogenii, while 2, 4-Dinitrophenol followed the different trend; (3) As the concentration increased from 0 to 0.2 mM for Cu2+, the Freundlich capacity coefficient constant varied from 62.84 to 325.1 for 2, 4-Dichlorophenol, from 13.1 to 82.179 for 2, 4-Dinitrophenol and from 29.433 to 7.976 for 2, 4-Dimethyphenol, respectively. The Freundlich capacity coefficient constant of 2, 4-Dichlorophenol, 2, 4-Dinitrophenol and 2, 4-Dimethyphenol varied from 62.84 and 421.43, 13.1 and 138.1, 29.433 and 1.381, respectively, with concentration of Hg2+ increased from 0 to 0.04 mM, respectively; (4) the adsorption of 2, 4-Dichlorophenol and 2, 4-Dimethyphenol were accentuated by cetylpyridinium chloride but suppressed by sodium dodecyl benzene sulfonate, whereas the adsorption of 2, 4-Dinitrophenol on sediment was enhanced by both cationic and anionic surfactants, effects that are consistent with electrostatic and hydrophobic interactions among ionic surfactants, phenolic compounds and sediment. The results are believed to provide a useful insight into describing the transport and fate of phenolic compounds in natural environments.

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APA: Copy

GAO, P., FENG, Y.J., ZHANG, Z.H., LIU, J.F., & REN, N.Q.. (2012). EFFECT OF HEAVY METALS AND SURFACTANTS ON THE ADSORPTION OF PHENOLIC COMPOUNDS ON SEDIMENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 9(4), 671-682. SID. https://sid.ir/paper/285420/en

Vancouver: Copy

GAO P., FENG Y.J., ZHANG Z.H., LIU J.F., REN N.Q.. EFFECT OF HEAVY METALS AND SURFACTANTS ON THE ADSORPTION OF PHENOLIC COMPOUNDS ON SEDIMENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2012;9(4):671-682. Available from: https://sid.ir/paper/285420/en

IEEE: Copy

P. GAO, Y.J. FENG, Z.H. ZHANG, J.F. LIU, and N.Q. REN, “EFFECT OF HEAVY METALS AND SURFACTANTS ON THE ADSORPTION OF PHENOLIC COMPOUNDS ON SEDIMENT,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 9, no. 4, pp. 671–682, 2012, [Online]. Available: https://sid.ir/paper/285420/en

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